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Overhead Insulated Cable With Rated Voltage Of 10Kv or Lower

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所属分类
Overhead Conductors
发布时间
2018/11/21
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Detail

The product consists of compacted copper and aluminum (aluminum alloy) conductors, an inner shield layer, weather resistant insulating materials, and an outer shield layer; that is, it has both the features of power transmission of power cables, and such features as small laying pitch, and high safety and reliability. It is characterized by excellent resistance to atmospheric aging and is the most suitable product for the newly designed and constructed transmission engineering route of 10KV or lower.

I. Features of Use

Rated voltage: 1KV, 10KV;

Long-term allowable operating temperature of the cable: 70 ° C for PVC insulation and 90 ° C for XLPE insulation

In the case of a short-circuit (maximum time is less than 5 seconds), the maximum temperature of the cable: 160 ° C for PVC insulation, 150 ° C for high-density PVC insulation, and 250 ° C for XLPE insulation

The ambient temperature during cable laying is not lower than --20 °C

Allowable bending radius of the cable:

1) Cables with rated voltage of 1KV or lower: not less than 4D for cables with an outer diameter (D) less than 25mm, and not less than 6D for cables with an outer diameter (D) more than 25mm

2) Cables with rated voltage of 10KV: (D + d) ± 5% mm for single-core cables

D—the actual outer diameter of the cable

d—the actual outer diameter of the cable conductor

II. Types, Names, and Uses

Rated voltage Type Name Uses
1KV JK(L)Y Copper (aluminum) core PVC insulated overhead cable  
JK(L)Y Copper (aluminum) core PVC insulated overhead cable Overhead fixed laying, household line, etc
JK(L)YJ Copper (aluminum) core PVC insulated overhead cable  
10KV JK(L)YJ Copper (aluminum) core PVC insulated overhead cable In the case of overhead fixed laying and cable erection, cables and trees should be kept at a certain distance. Cables and trees are allowed to be in frequent contact during cable operation.
JK(L)YJ Copper (aluminum) core PVC insulated overhead cable

 

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